The board game industry in this country is small. But it's there. Here's a great blog post from Jackson Pope on Boardgame News about getting your game published. He owns Reiver Games. Notice he points out the importance of clear well-written rules and having a prototype for hte publisher to test out. Be sure you've play tested the heck out of your game before sending it in.
Image by lavenderstreak via FlickrHere's an article from Wired about the guy who created Settlers of Catan as a hobby. Board games are much more popular in Germany and the rest of Europe than they are in the States. And here's the webpage for the game.